package com.ctrip.demo.leetcode;

public class ListNode {

    int val;

    ListNode next;

    ListNode() {}

    ListNode(int val) { this.val = val; }

    ListNode(int val, ListNode next) { this.val = val; this.next = next; }


    @Override
    public String toString() {
        return "ListNode{" +
                "val=" + val +
                ", next=" + next +
                '}';
    }
}
